# CVE-2023-35087

## Summary

- **CVE ID:** CVE-2023-35087
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-134
- **Published:** Jul 21, 2023
- **Last Modified:** Mar 13, 2026

## Description

It is identified a format string vulnerability in ASUS RT-AX56U V2 & RT-AC86U. This vulnerability is caused by lacking validation for a specific value when calling cm_processChangedConfigMsg in ccm_processREQ_CHANGED_CONFIG function in AiMesh system. An unauthenticated remote attacker can exploit this vulnerability without privilege to perform remote arbitrary code execution, arbitrary system operation or disrupt service.
This issue affects RT-AX56U V2: 3.0.0.4.386_50460; RT-AC86U: 3.0.0.4_386_51529.

## Affected Products

- ASUS — RT-AX56U V2 (3.0.0.4.386_50460)
- ASUS — RT-AC86U (3.0.0.4_386_51529)

## References

- [CNA](https://www.twcert.org.tw/tw/cp-132-7249-ab2d1-1.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.06%
- **EPSS Percentile:** 77.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._